Background drbd device work for zeroing out device.
Signed-off-by: Nick Wang <[email protected]>
CC: Philipp Reisner <[email protected]>
CC: Lars Ellenberg <[email protected]>
CC: [email protected]
CC: [email protected]
---
drbd/drbd_int.h | 3 +++
drbd/drbd_worker.c | 6 ++++++
2 files changed, 9 insertions(+)
diff --git a/drbd/drbd_int.h b/drbd/drbd_int.h
index dd680a9..287ffd7 100644
--- a/drbd/drbd_int.h
+++ b/drbd/drbd_int.h
@@ -622,6 +622,9 @@ enum {
RS_START, /* tell worker to start resync/OV */
RS_PROGRESS, /* tell worker that resync made significant
progress */
RS_DONE, /* tell worker that resync is done */
+ P_ZERO_START, /* tell worker to zero out device */
+ S_ZERO_START, /* tell worker to zero out device as requested*/
+
/* used for zero out device */
ZERO_DONE, /* succeed on zero out a device */
ZERO_FAIL, /* fail to zero out a device */
diff --git a/drbd/drbd_worker.c b/drbd/drbd_worker.c
index 293aa27..23e82c1 100644
--- a/drbd/drbd_worker.c
+++ b/drbd/drbd_worker.c
@@ -2070,6 +2070,10 @@ static void do_device_work(struct drbd_device *device,
const unsigned long todo)
drbd_ldev_destroy(device);
if (test_bit(RS_START, &todo))
do_start_resync(device);
+ if (test_bit(P_ZERO_START, &todo))
+ require_zero_out_local_device(device);
+ if (test_bit(S_ZERO_START, &todo))
+ receive_zero_out_local_device(device);
}
#define DRBD_DEVICE_WORK_MASK \
@@ -2079,6 +2083,8 @@ static void do_device_work(struct drbd_device *device,
const unsigned long todo)
|(1UL << RS_START) \
|(1UL << RS_PROGRESS) \
|(1UL << RS_DONE) \
+ |(1UL << P_ZERO_START) \
+ |(1UL << S_ZERO_START) \
)
static unsigned long get_work_bits(unsigned long *flags)
--
1.8.4.5
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